Back on our April show, University of Tennessee planetary scientist Josh Emery came by to brief us on the big questions about Pluto and its moons ahead of New Horizon's historic flyby. That encounter, the primary goal of the New Horizons mission, happened on July 14. Scientists here on Earth are just getting their first glimpses at the results, and Dr. Emery is back to tell us what they're learning. Then, Chrissy Keuper talks about a new clothes dryer invented at Oak Ridge National Laboratory...

Calling it the "biggest, most important step we've ever taken to combat climate change," President Obama said his administration would unveil the final version of a proposal aimed at curbing the amount of carbon pollution put out by power plants.

It started so well. When Saddam Hussein's Iraq invaded Kuwait on Aug. 2, 1990, the United States swiftly cobbled together a broad coalition, unleashed a stunning new generation of air power and waged a lightning ground offensive that lasted all of four days. Iraqi troops were so desperate to quit that some surrendered to Western journalists armed only with notebooks.

The vote by the Boy Scouts of America to lift its ban on openly gay troop leaders last week was a blow to some religious conservative organizations that have long been connected to scouting, especially the Mormon Church, which has deep roots in the Boy Scouts.

The church, also known as the Church of Jesus Christ of Latter-day Saints, has used the Boy Scouts as its official program for young men for more than 100 years, according to Quin Monson, a political science professor at Brigham Young University.